Question about open loop
Just completed a 2005 5.3 swap on a 86 chevy truck. I need to drive it to the exhaust shop without O2's and with open exhaust. I got it fired up and everything looks good but my fuel trims keep going way negative then when I accelerate it falls flat on its face until I let off the throttle.
I set LTFT enable to max temp but I still see closed loop kicking in, STFT's keep going negative and LTFT's are staying at 0. Still falls on its face when I accelerate UNLESS I keep doing a fuel trim reset using DVT (literally have one finger on the mouse clicking it once a second)
So how do I disable any and all fuel trims until I can get the exhaust and O2's on it? Seems like a rookie question but I'm stuck. So what is the configuration for open loop?
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